CN216041596U - Programmable control's building engineering drainage system - Google Patents

Abstract

The invention discloses a programmable control building engineering drainage system, which comprises a drainage unit, a control device, a first motor, a second motor, a first check valve, a second check valve, a first water pump, a second water pump, a liquid level sensor, a sewage pool and a sewage pipeline, wherein the drainage unit is connected with the control device through a pipeline; the effect of discharging harmful gas in a drainage system of the building engineering and avoiding the harmful gas from overflowing into the room is achieved by combining the ventilation fan, the main drainage pipeline, the main exhaust pipeline, the connecting pipe, the drainage pipe and the drainage branch pipe provided with the bent water pipe; a programmable controller is adopted to collect information of temperature, liquid level, motor on-off state and motor control mode, the work of a first motor and a second motor is intelligently controlled, and then a first water pump and a second water pump are driven to achieve the effect of conveying sewage in a sewage tank to a city pipe network wastewater recovery tank through a sewage pipeline; has the advantages of simple structure, strong practicability and high working efficiency.

Description

Programmable control's building engineering drainage system

Technical Field

The invention relates to the technical field of drainage systems, in particular to a programmable control drainage system for constructional engineering.

Background

The building is an artificially constructed asset, belongs to the category of fixed assets, and comprises two categories of houses and constructions, wherein the houses are engineering buildings for people to live, work, study, produce, manage, entertain and store articles and perform other social activities, and the drainage system in the buildings is a whole formed by combining facilities for collecting and conveying drainage, treating and discharging water quality and the like in a certain mode. Without a drainage system in a house building, the problem of damp water seepage of the house building can easily occur, and the condition that the life of house personnel is inconvenient occurs, so the drainage system of the house building is very important in the house building. Along with the improvement of science and technology, building electrical equipment develops towards the intelligent direction gradually, and drainage system among them should also move towards intelligent management.

Disclosure of Invention

The invention aims to provide a programmable control drainage system for constructional engineering.

In order to achieve the purpose, the technical solution of the invention is as follows: a programmable control building engineering drainage system comprises a ventilation fan, a main drainage pipeline, a main exhaust pipeline, a connecting pipe, a drainage pipe, a first drainage branch pipe, a second drainage branch pipe, a third drainage branch pipe, a fourth bent pipe, a third bent pipe, a second bent pipe, a first bent pipe, a bathtub, a closestool, a floor drain, a basin, a control device, a first motor, a second motor, a first check valve, a second check valve, a first water pump, a second water pump, a liquid level sensor, a sewage pool and a sewage pipeline.

The top of the vertically installed main exhaust pipeline is connected with the upper part of the vertically installed main exhaust pipeline, the top end of the main exhaust pipeline is provided with a ventilation fan, the horizontally installed drain pipe is connected with the main exhaust pipeline, the main exhaust pipeline is provided with a connecting pipe at the position opposite to the drain pipe opening, the other end of the connecting pipe is obliquely and upwards connected with the main exhaust pipeline, the other end of the drain pipe is provided with a fourth drain branch pipe, the drain pipe is also respectively provided with a first drain branch pipe, a second drain branch pipe and a third drain branch pipe, the other end of the first drain branch pipe is connected with the drain opening of the bathtub, the first drain branch pipe is provided with a first bent pipe, the other end of the second drain branch pipe is connected with the discharge opening of the closestool, the second drain branch pipe is provided with a second bent pipe, the other end of the third drain branch pipe is connected with the drain opening of the floor drain, the third drain branch pipe is provided with a third bent pipe, the other end of the fourth drainage branch pipe is connected with a drainage port of the basin, a fourth bent pipe is arranged on the fourth drainage branch pipe, the lower end of the main drainage pipeline is arranged on the upper portion of the sewage pool, a liquid level sensor is arranged in the sewage pool, the sewage pool is connected with the urban pipe network wastewater recovery pool through two sewage pipelines, a first water pump is arranged on one sewage pipeline, a first check valve is arranged on the sewage pipeline between the first water pump and the urban pipe network wastewater recovery pool, the first electric water pump is electrically connected with the first motor, the first motor is electrically connected with the control device, and the liquid level sensor is electrically connected with the control device. And a second water pump is arranged on the other sewage pipeline, a second check valve is arranged on the sewage pipeline between the second water pump and the urban pipe network wastewater recovery tank, the second water pump is electrically connected with a second motor, and the second motor is electrically connected with the control device.

Further, the number of the drainage pipes is an integer not less than 1, and further, the number of the drainage pipes is preferably an integer greater than 4 and less than 100.

Furthermore, the ventilation fan, the main drainage pipeline, the main exhaust pipeline, the connecting pipe, the drain pipe, the first drainage branch pipe, the second drainage branch pipe, the third drainage branch pipe, the fourth bent pipe, the third bent pipe, the second bent pipe, the first bent pipe, the bathtub, the toilet, the floor drain and the basin form a drainage unit, the number of the drainage units is an integer not less than 1, and further, the number of the drainage units is preferably an integer more than 1 and less than 50.

Furthermore, the control device comprises a programmable controller, an analog quantity input module, a digital quantity output module, a computer, a touch screen, a first temperature sensor and a second temperature sensor, wherein the computer is electrically connected with the programmable controller, the touch screen is electrically connected with the programmable controller, the analog quantity input module is electrically connected with the programmable controller, the digital quantity output module is electrically connected with a first motor, the digital quantity output module is electrically connected with a second motor, a first motor switch state unit is electrically connected with the digital quantity input module, and a first motor switch mode unit is electrically connected with the digital quantity input module, first motor on-off mode unit set up to automatic switch mode and manual switch mode, second motor on-off state unit carries out electrical connection with digital input module, second motor on-off mode unit set up to automatic switch mode and manual switch mode, level sensor carries out electrical connection with analog input module, first temperature sensor sets up on the casing of first motor, second temperature sensor carries out electrical connection with analog input module, second temperature sensor sets up on the casing of second motor.

The working principle of the invention is as follows: when the multifunctional bathtub is used, sewage after being used in the bathtub enters the main drainage pipeline through the drain pipe via the first drainage branch pipe, polluted gas enters the main exhaust pipeline via the connecting pipe and is finally discharged via the ventilating fan, the first bent pipe prevents the polluted gas and the small insects in the drain pipe, the main drainage pipeline and the main exhaust pipeline from entering a room via the first drainage branch pipe, similarly, sewage dirt generated by the closestool enters the main drainage pipeline via the drain pipe via the second drainage branch pipe, the polluted gas enters the main exhaust pipeline via the connecting pipe and is finally discharged via the ventilating fan, the second bent pipe prevents the polluted gas and the small insects in the drain pipe, the main drainage pipeline and the main exhaust pipeline from entering the room via the second drainage branch pipe, the sewage dirt generated by the floor drain enters the main drainage pipeline via the third drainage branch pipe, the polluted gas enters the main exhaust pipeline via the connecting pipe and is finally discharged via the ventilating fan, and the third bent pipe prevents the drain pipe from preventing the main drainage pipeline from entering the main exhaust pipeline via the third drainage branch pipe, The polluted gas and the bugs in the main drainage pipeline and the main exhaust pipeline enter the room through the third drainage branch pipe, the polluted gas generated by the basin enters the main drainage pipeline through the fourth drainage branch pipe by the drain pipe, the polluted gas enters the main exhaust pipeline through the connecting pipe and is finally discharged through the ventilator, the polluted gas and the bugs in the drain pipe, the main drainage pipeline and the main exhaust pipeline are prevented by the fourth bent pipe from entering the room through the fourth drainage branch pipe, the polluted water and the dirt are finally collected in the sewage pool, the upper limit liquid level, the middle limit liquid level and the lower limit liquid level are set through the touch screen, the manual/automatic change-over switch of the first motor is set to be in an automatic mode, the manual/automatic change-over switch of the second motor is set to be in an automatic mode, the liquid level sensor transmits the liquid level signal to the analog input module in real time and then transmits the liquid level signal to the programmable controller through the analog input module, and the programmable controller compares the input liquid level value with the set liquid level limit value, when the input liquid level value is lower than the lower limit liquid level, the programmable controller stops the first motor and the second motor through the digital output module, and the first water pump and the second water pump do not work; when the input liquid level value is higher than the lower limit liquid level and lower than the middle limit liquid level, the programmable controller starts a first motor through a digital quantity output module, the first motor drives a first water pump to convey sewage in a sewage tank to a city pipe network wastewater recovery tank through a sewage pipeline, a first temperature sensor transmits a temperature signal to an analog quantity input module in real time, the temperature signal is conveyed to the programmable controller through the analog quantity input module, the programmable controller compares the input temperature value with a set temperature limit value, if the input temperature value is less than or equal to the set temperature limit value, the first motor continues to work, if the input temperature value is greater than the set temperature limit value, the programmable controller starts a second motor through the digital quantity output module and closes the first motor, the second motor drives the second water pump to convey the sewage in the sewage tank to the city pipe network wastewater recovery tank through the sewage pipeline, similarly, if the temperature value input by the second motor is greater than the set temperature limit value and the temperature value input by the first motor is less than the set temperature limit value, the programmable controller starts the first motor and closes the second motor through the digital quantity output module; when the input liquid level value is higher than the upper limit liquid level, the programmable controller starts the first motor and the second motor through the digital quantity output module, the first motor drives the first water pump and the second motor drives the second water pump to convey sewage in the sewage tank to the urban pipe network wastewater recovery tank through the sewage pipeline. Can set up to manual mode to the manual/automatic change over switch of first motor through the touch-sensitive screen, perhaps set up to manual mode to the manual/automatic change over switch of second motor, at this moment, programmable controller only carries out signal information collection and demonstration to level sensor, second temperature sensor, first motor on-off state and second motor on-off state, and start-up, stop and switch-over of first motor and second motor are all accomplished through the manual work.

The invention has the beneficial effects that: the invention adopts the mode of combining the ventilating fan, the main drainage pipeline, the main exhaust pipeline, the connecting pipe, the drainage pipe and the drainage branch pipe provided with the bent water pipe, thereby achieving the effects of discharging harmful gases in a drainage system of the building engineering and avoiding the harmful gases from overflowing into the room; a programmable controller is adopted to collect information of temperature, liquid level, motor on-off state and motor control mode, the work of a first motor and a second motor is intelligently controlled, and then a first water pump and a second water pump are driven to achieve the effect of conveying sewage in a sewage tank to a city pipe network wastewater recovery tank through a sewage pipeline; has the advantages of simple structure, strong practicability and high working efficiency.

Drawings

The invention is further described with reference to the following figures and detailed description.

FIG. 1 is a schematic structural diagram of the present invention;

fig. 2 is a block diagram of a control apparatus of the present invention.

In the figure: 1. the ventilation fan comprises a ventilation fan body, 2, a main drainage pipeline, 3, a main exhaust pipeline, 4, a connecting pipe, 5, a drainage pipe, 6, a first drainage branch pipe, 7, a second drainage branch pipe, 8, a third drainage branch pipe, 9, a fourth drainage branch pipe, 10, a fourth bent pipe, 11, a third bent pipe, 12, a second bent pipe, 13, a first bent pipe, 14, a bathtub, 15, a closestool, 16, a floor drain, 17, a basin, 18, a control device, 19, a first motor, 20, a second motor, 21, a first check valve, 22, a second check valve, 23, a first water pump, 24, a second water pump, 25, a liquid level sensor, 26, a sewage pool, 27, a sewage pipeline, 28 and a city pipe network wastewater recovery pool.

Detailed Description

As shown in fig. 1, the programmable control drainage system for construction engineering of the present invention includes a ventilation fan 1, a main drainage pipeline 2, a main exhaust pipeline 3, a connection pipe 4, a drainage pipe 5, a first drainage branch pipe 6, a second drainage branch pipe 7, a third drainage branch pipe 8, a fourth drainage branch pipe 9, a fourth bent pipe 10, a third bent pipe 11, a second bent pipe 12, a first bent pipe 13, a bathtub 14, a toilet 15, a floor drain 16, a basin 17, a control device 18, a first motor 19, a second motor 20, a first check valve 21, a second check valve 22, a first water pump 23, a second water pump 24, a liquid level sensor 25, a sewage tank 26, and a sewage pipeline 27.

The top of the vertically installed main exhaust pipeline 3 is connected with the upper part of the vertically installed main exhaust pipeline 2, the top end of the main exhaust pipeline 2 is provided with the ventilating fan 1, the horizontally installed drain pipe 5 is connected with the main exhaust pipeline 2, the main exhaust pipeline 2 is provided with a connecting pipe 4 at the position opposite to the opening of the drain pipe 5, the other end of the connecting pipe 4 is obliquely and upwards connected with the main exhaust pipeline 3, the other end of the drain pipe 5 is provided with a fourth drain branch pipe 9, the drain pipe 5 is also respectively provided with a first drain branch pipe 6, a second drain branch pipe 7 and a third drain branch pipe 8, the other end of the first drain branch pipe 6 is connected with the water outlet of the bathtub 14, the first drain branch pipe 6 is provided with a first bent pipe 13, the other end of the second drain branch pipe 7 is connected with the water outlet of the closestool 15, the second drain branch pipe 7 is provided with a second bent pipe 12, the other end of the third drain branch pipe 8 is connected with the water outlet of the floor drain 16, the third water-bending pipe 11 is arranged on the third water-discharging branch pipe 8, the other end of the fourth water-discharging branch pipe 9 is connected with the water-discharging port of the basin 17, the fourth water-bending pipe 10 is arranged on the fourth water-discharging branch pipe 9, the lower end of the main water-discharging pipe 2 is arranged at the upper inner part of the sewage pool 26, the liquid level sensor 25 is arranged in the sewage pool 26, the sewage pool 26 is connected with the urban pipe network wastewater recovery pool 28 through two sewage pipes 27, one sewage pipe 27 is provided with the first water pump 23, the sewage pipe 27 between the first water pump 23 and the urban pipe network wastewater recovery pool 28 is provided with the first check valve 21, the first electric water pump 23 is electrically connected with the first motor 19, the first motor 19 is electrically connected with the control device 18, and the liquid level sensor 25 is electrically connected with the control device 18. A second water pump 24 is arranged on the other sewage pipeline 27, a second check valve 22 is arranged on the sewage pipeline 27 between the second water pump 24 and the urban pipe network wastewater recovery tank 28, the second water pump 24 is electrically connected with a second motor 20, and the second motor 20 is electrically connected with the control device 18.

Further, the number of the water discharge pipes 5 is an integer not less than 1, and further, the number of the water discharge pipes 5 is preferably an integer greater than 4 and less than 100.

Further, the ventilation fan 1, the main water drainage pipeline 2, the main air drainage pipeline 3, the connecting pipe 4, the water drainage pipe 5, the first water drainage branch pipe 6, the second water drainage branch pipe 7, the third water drainage branch pipe 8, the fourth water drainage branch pipe 9, the fourth water bending pipe 10, the third water bending pipe 11, the second water bending pipe 12, the first water bending pipe 13, the bathtub 14, the toilet 15, the floor drain 16 and the basin 17 form a water drainage unit, the number of the water drainage units is an integer not less than 1, and further, the number of the water drainage units is preferably an integer more than 1 and less than 50.

Further, as shown in fig. 2, the control device 18 includes a programmable controller, an analog input module, a digital output module, a computer, a touch screen, a first temperature sensor, and a second temperature sensor, the computer is electrically connected to the programmable controller, the touch screen is electrically connected to the programmable controller, the analog input module is electrically connected to the programmable controller, the digital output module is electrically connected to a first motor 19, the digital output module is electrically connected to a second motor 20, a first motor switch state unit is electrically connected to the digital input module, a first motor switch mode unit is electrically connected to the digital input module, the first motor switch mode unit is set to be in an automatic switch mode and a manual switch mode, the second motor switch mode unit is electrically connected with the digital quantity input module, the second motor switch mode unit is set to be in an automatic switch mode and a manual switch mode, the liquid level sensor 25 is electrically connected with the analog quantity input module, the first temperature sensor is arranged on a shell of the first motor 19, the second temperature sensor is electrically connected with the analog quantity input module, and the second temperature sensor is arranged on a shell of the second motor 20;

the programmable controller adopts a CPU-226 programmable controller of S7-200 series model of SIEMENS, and adopts STEP7-Micro/WIN programming software;

the analog input module is an analog input module with the model number of SM 331;

the digital input module is a digital input module with the model number of SM 321;

the digital output module is a digital output module with the model number of SM 322;

the first temperature sensor is a GWD42 temperature sensor;

the second temperature sensor is a GWD42 temperature sensor;

the liquid level sensor is a GLT500 liquid level sensor with the model of GAMICOS.

When the programmable control building engineering drainage system is used, sewage used by a bathtub 14 enters a main drainage pipeline 2 from a drainage pipe 5 through a first drainage branch pipe 6, polluted gas enters the main drainage pipeline 3 from a connecting pipe 4 and is finally discharged through a ventilation fan 1, the polluted gas and small insects in the drainage pipe 5, the main drainage pipeline 2 and the main drainage pipeline 3 are prevented by a first bent pipe 13 from entering a room through the first drainage branch pipe 6, similarly, sewage and dirt generated by a closestool 15 enters the main drainage pipeline 2 from the drainage pipe 5 through a second drainage branch pipe 7, the polluted gas enters the main drainage pipeline 3 from the connecting pipe 4 and is finally discharged through the ventilation fan 1, the polluted gas and small insects in the drainage pipe 5, the main drainage pipeline 2 and the main drainage pipeline 3 are prevented by a second bent pipe 12 from entering the room through the second drainage branch pipe 7, the sewage and dirt generated by a floor drain 16 enter the main drainage pipeline 2 from the drainage pipe 5 through a third drainage branch pipe 8, polluted gas enters a main exhaust pipeline 3 through a connecting pipe 4 and is finally discharged through a ventilator 1, a third bent water pipe 11 prevents the polluted gas and the small insects in a drain pipe 5, the main exhaust pipeline 2 and the main exhaust pipeline 3 from entering a room through a third exhaust branch pipe 8, sewage generated by a basin 17 enters the main exhaust pipeline 2 through a fourth exhaust branch pipe 9 from the drain pipe 5, the polluted gas enters the main exhaust pipeline 3 through the connecting pipe 4 and is finally discharged through the ventilator 1, a fourth bent water pipe 10 prevents the polluted gas and the small insects in the drain pipe 5, the main exhaust pipeline 2 and the main exhaust pipeline 3 from entering the room through the fourth exhaust branch pipe 9, the sewage and the pollutants are finally collected in a sewage tank 26, an upper limit liquid level, a middle limit liquid level and a lower limit liquid level are set through a touch screen, an automatic mode is set for a manual/automatic change-over switch of a first motor, an automatic mode is set for a manual/automatic change-over switch of a second motor, the liquid level sensor 25 transmits the liquid level signal to the analog quantity input module in real time, and then the liquid level signal is transmitted to the programmable controller by the analog quantity input module, the programmable controller compares the input liquid level value with the set liquid level limit value, when the input liquid level value is lower than the lower limit liquid level, the programmable controller stops the first motor 19 and the second motor 20 through the digital quantity output module, and the first water pump 23 and the second water pump 24 do not work; when the input liquid level value is higher than the lower limit liquid level and lower than the middle limit liquid level, the programmable controller starts the first motor 19 through the digital output module, the first motor 19 drives the first water pump 23 to convey the sewage in the sewage tank 26 to the urban pipe network wastewater recovery tank 28 through the sewage pipeline 27, the first temperature sensor transmits the temperature signal to the analog input module in real time and then conveys the temperature signal to the programmable controller through the analog input module, the programmable controller compares the input temperature value with the set temperature limit value, if the input temperature value is less than or equal to the set temperature limit value, the first motor 19 continues to work, if the input temperature value is greater than the set temperature limit value, the programmable controller starts the second motor 20 through the digital output module and closes the first motor 19, the second motor 20 drives the second water pump 24 to convey the sewage in the sewage tank 26 to the urban pipe network wastewater recovery tank 28 through the sewage pipeline 27, similarly, if the temperature value input by the second motor 20 is greater than the set temperature limit value, and the temperature value input by the first motor 19 is less than the set temperature limit value, the programmable controller starts the first motor 19 and turns off the second motor 20 through the digital quantity output module; when the input liquid level value is higher than the upper limit liquid level, the programmable controller starts the first motor 19 and the second motor 20 through the digital output module, the first motor 19 drives the first water pump 23 and the second motor 20 drives the second water pump 24 to convey sewage in the sewage tank 26 to the urban pipe network wastewater recovery tank 28 through the sewage pipeline 27. The manual/automatic change-over switch of the first motor can be set to be in a manual mode through the touch screen, or the manual/automatic change-over switch of the second motor is set to be in a manual mode, at the moment, the programmable controller only collects and displays signal information of the liquid level sensor, the second temperature sensor, the first motor on-off state and the second motor on-off state, and starting, stopping and switching of the first motor 19 and the second motor 20 are all completed manually.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (2)

1. A programmable control building engineering drainage system is characterized in that: the programmable control drainage system for the building engineering comprises an air exchange fan, a main drainage pipeline, a main exhaust pipeline, a connecting pipe, a drainage pipe, a first drainage branch pipe, a second drainage branch pipe, a third drainage branch pipe, a fourth bent pipe, a third bent pipe, a second bent pipe, a first bent pipe, a bathtub, a closestool, a floor drain, a basin, a control device, a first motor, a second motor, a first check valve, a second check valve, a first water pump, a second water pump, a liquid level sensor, a sewage pool and a sewage pipeline; the top of the vertically installed main exhaust pipeline is connected with the upper part of the vertically installed main exhaust pipeline, the top end of the main exhaust pipeline is provided with a ventilation fan, the horizontally installed drain pipe is connected with the main exhaust pipeline, the main exhaust pipeline is provided with a connecting pipe at the position opposite to the drain pipe opening, the other end of the connecting pipe is obliquely and upwards connected with the main exhaust pipeline, the other end of the drain pipe is provided with a fourth drain branch pipe, the drain pipe is also respectively provided with a first drain branch pipe, a second drain branch pipe and a third drain branch pipe, the other end of the first drain branch pipe is connected with the drain opening of the bathtub, the first drain branch pipe is provided with a first bent pipe, the other end of the second drain branch pipe is connected with the discharge opening of the closestool, the second drain branch pipe is provided with a second bent pipe, the other end of the third drain branch pipe is connected with the drain opening of the floor drain, the third drain branch pipe is provided with a third bent pipe, the other end of the fourth drainage branch pipe is connected with a drainage port of a basin, a fourth bent pipe is arranged on the fourth drainage branch pipe, the lower end of the main drainage pipe is arranged at the inner upper part of a sewage pool, a liquid level sensor is arranged in the sewage pool, the sewage pool is connected with an urban pipe network wastewater recovery pool through two sewage pipes, a first water pump is arranged on one sewage pipe, a first check valve is arranged on the sewage pipe between the first water pump and the urban pipe network wastewater recovery pool, the first electric water pump is electrically connected with a first motor, the first motor is electrically connected with a control device, the liquid level sensor is electrically connected with the control device, a second water pump is arranged on the other sewage pipe, a second check valve is arranged on the sewage pipe between the second water pump and the urban pipe network wastewater recovery pool, and the second water pump is electrically connected with the second motor, the second motor is electrically connected with the control device; the ventilating fan, the main drainage pipeline, the main exhaust pipeline, the connecting pipe, the drainage pipe, the first drainage branch pipe, the second drainage branch pipe, the third drainage branch pipe, the fourth bent pipe, the third bent pipe, the second bent pipe, the first bent pipe, the bathtub, the closestool, the floor drain and the basin form a drainage unit, and the number of the drainage units is preferably an integer which is more than 1 and less than 50; the number of the drainage pipes is preferably an integer greater than 4 and less than 100.

2. A programmable controlled drainage system for construction projects as claimed in claim 1, wherein: the control device comprises a programmable controller, an analog quantity input module, a digital quantity output module, a computer, a touch screen, a first temperature sensor and a second temperature sensor, wherein the computer is electrically connected with the programmable controller, the touch screen is electrically connected with the programmable controller, the analog quantity input module is electrically connected with the programmable controller, the digital quantity output module is electrically connected with a first motor, the digital quantity output module is electrically connected with a second motor, a first motor switch state unit is electrically connected with the digital quantity input module, a first motor switch mode unit is electrically connected with the digital quantity input module, the first motor switch mode unit is set to be in an automatic switch mode and a manual switch mode, the second motor on-off state unit is electrically connected with the digital quantity input module, the second motor on-off mode unit is set to be in an automatic on-off mode and a manual on-off mode, the liquid level sensor is electrically connected with the analog quantity input module, the first temperature sensor is arranged on a shell of the first motor, the second temperature sensor is electrically connected with the analog quantity input module, and the second temperature sensor is arranged on the shell of the second motor.

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